CN200984624Y - Exhaust plug suitable for metal type mould air outlet - Google Patents
Exhaust plug suitable for metal type mould air outlet Download PDFInfo
- Publication number
- CN200984624Y CN200984624Y CN 200620135017 CN200620135017U CN200984624Y CN 200984624 Y CN200984624 Y CN 200984624Y CN 200620135017 CN200620135017 CN 200620135017 CN 200620135017 U CN200620135017 U CN 200620135017U CN 200984624 Y CN200984624 Y CN 200984624Y
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- CN
- China
- Prior art keywords
- air outlet
- utility
- model
- air
- outlet plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to an air outlet plug for air gate of the metal die. The utility model is characterized in that: the air outlet plug comprises a prismatic body having a square cross section and having a conical front end. When the utility model is in use, four edge angles of the air outlet plug are engaged with the air gate in an interference fit manner to fix the air outlet plug. The gap between the prismatic body and the air gate allows the gas in the die cavity to be drawn away and prevents the leakage of the molten metal. Compared with the prior art, the utility model has the advantages of easy process, simple manufacture, easy installation, and easy replacement, thereby enhancing economic efficiency; the metal die using the air outlet plug has well air discharge performance. When the utility model is in casting, the gas from the die cavity and the gas generated by the sand core and the coating material are quickly drawn away from the gap between the air outlet plug and the air gate, so as to prevent air lock to cause misrun or incursive gas hole.
Description
Technical field
The utility model relates to the metal grinding ball mould applications, is a kind of vent plug that goes out that is applicable to the metal type dies venthole specifically.
Background technology
Abrading-ball in the ball mill that industries such as metallurgy, mine, building materials, steam power plant are used is cast with metal type dies mostly and is formed, the metal type dies that prior art is produced, because design and production method is different, be used to stop up the vent plug that of venthole on the mould, be to add waterglass by asbestos cord and quartz sand to make mostly, result of use is not ideal, owing to go out the unreasonable of vent plug design, cause the vent plug processing difficulties, production cost is increased; Secondly, can cause exhaust not smooth, produce defectives such as runout, the fire of choking with quartz sand and waterglass; Once more, because the shape that goes out vent plug science not, make out excesssive gap between vent plug and the venthole, cause molten metal to overflow, not only cause waste, reduce the utilization rate of molten metal, and quickened damage, increased die manufacturing cost, in addition, use asbestos cord to stop up, need often change out vent plug, both labor intensive, material resources, time, also influenced production efficiency.
Summary of the invention
The purpose of this utility model is just at existing defective in the above-mentioned prior art and custom-designed a kind of structure is more reasonable, easily manufactured, install simple, change the vent plug that goes out that is easy to be applicable to the metal type dies venthole.
The purpose of this utility model is achieved through the following technical solutions: the vent plug that goes out that originally is applicable to the metal type dies venthole comprises prismatic body, and the cross section of prismatic body is a square, and the front end of prismatic body is a conical structure.
The utility model relies on out four corner angle of vent plug and venthole to realize interference fit in use, realizes out the fixing of vent plug, and the interstitial row by prismatic body and venthole goes out the gas in the mold cavity, hinders overflowing of molten metal again; Originally going out vent plug is the venthole that is pressed into mold cavity in mold cavity; and it is solid to make it the fourth of the twelve Earthly Branches; the air pressure that produces when preventing to cast ejects going out vent plug; thereby prevent overflowing of molten metal effectively; help the discharge of gas, and then also protected mould, prolong its service life; also can avoid simultaneously the waste of molten metal, increase operation rate.
The utility model compared with prior art has the following advantages:
1, be easy to processing, make simply, easy for installation, change easily, improved business efficiency.
2, use the metal type dies that originally goes out vent plug, venting quality is good.The gas that gas during casting in the die cavity, core and coating produce is discharged by the gap between venting plug and the venthole apace, can not form vapour lock, causes poured short or produces and invade pore.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
The utility model is described further below in conjunction with accompanying drawing:
As shown in Figure 1, 2: the vent plug that goes out that originally is applicable to the metal type dies venthole comprises prismatic body 1, the cross section of prismatic body is a square, the front end of prismatic body is a conical structure 2, rely on out four corner angle and the venthole of vent plug to realize interference fit, realize out the fixing of vent plug, interstitial row by prismatic body and venthole goes out the gas in the mold cavity, hinders overflowing of molten metal again.
Claims (1)
1, a kind of vent plug that goes out that is applicable to the metal type dies venthole, it is characterized in that: it comprises prismatic body (1), and the cross section of prismatic body (1) is a square, and the front end of prismatic body is pyramidal structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135017 CN200984624Y (en) | 2006-12-13 | 2006-12-13 | Exhaust plug suitable for metal type mould air outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620135017 CN200984624Y (en) | 2006-12-13 | 2006-12-13 | Exhaust plug suitable for metal type mould air outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200984624Y true CN200984624Y (en) | 2007-12-05 |
Family
ID=38914086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620135017 Expired - Fee Related CN200984624Y (en) | 2006-12-13 | 2006-12-13 | Exhaust plug suitable for metal type mould air outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200984624Y (en) |
-
2006
- 2006-12-13 CN CN 200620135017 patent/CN200984624Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |